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Allowance for Loan and Lease Losses - Credit Quality Indicators by Commercial and Industrial Loans (Details) - USD ($) $ in Thousands | Jun. 30, 2019 | Dec. 31, 2018
--- | --- | ---
Originated Loans and Leases |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and Leases, gross | $ 3,237,564 | $ 3,195,492
Originated Loans and Leases | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and Leases, gross | 3,156,175 | 3,123,455
Originated Loans and Leases | Special Mention |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and Leases, gross | 36,619 | 28,074
Originated Loans and Leases | Substandard |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and Leases, gross | 44,770 | 43,963
Total Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and Leases, gross | 208,201 | 222,804
Total Acquired Loans | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and Leases, gross | 205,079 | 219,438
Total Acquired Loans | Special Mention |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and Leases, gross | 265 | 452
Total Acquired Loans | Substandard |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and Leases, gross | 2,857 | 2,914
Commercial and industrial | Originated Loans and Leases | Other |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and Leases, gross | 908,945 | 926,429
Commercial and industrial | Originated Loans and Leases | Other | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and Leases, gross | 892,270 | 910,476
Commercial and industrial | Originated Loans and Leases | Other | Special Mention |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and Leases, gross | 12,009 | 8,675
Commercial and industrial | Originated Loans and Leases | Other | Substandard |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and Leases, gross | 4,666 | 7,278
Commercial and industrial | Originated Loans and Leases | Agriculture |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and Leases, gross | 93,406 | 107,494
Commercial and industrial | Originated Loans and Leases | Agriculture | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and Leases, gross | 81,718 | 93,939
Commercial and industrial | Originated Loans and Leases | Agriculture | Special Mention |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and Leases, gross | 1,637 | 4,951
Commercial and industrial | Originated Loans and Leases | Agriculture | Substandard |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and Leases, gross | 10,051 | 8,604
Commercial and industrial | Total Acquired Loans | Other |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and Leases, gross | 41,438 | 43,712
Commercial and industrial | Total Acquired Loans | Other | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and Leases, gross | 41,174 | 43,447
Commercial and industrial | Total Acquired Loans | Other | Special Mention |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and Leases, gross | 0 | 0
Commercial and industrial | Total Acquired Loans | Other | Substandard |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and Leases, gross | 264 | 265
Commercial and industrial | Total Acquired Loans | Agriculture |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and Leases, gross | 0 | 0
Commercial and industrial | Total Acquired Loans | Agriculture | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and Leases, gross | 0 | 0
Commercial and industrial | Total Acquired Loans | Agriculture | Special Mention |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and Leases, gross | 0 | 0
Commercial and industrial | Total Acquired Loans | Agriculture | Substandard |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and Leases, gross | 0 | 0
Commercial real estate | Originated Loans and Leases | Other |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and Leases, gross | 1,869,057 | 1,827,279
Commercial real estate | Originated Loans and Leases | Other | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and Leases, gross | 1,830,464 | 1,797,599
Commercial real estate | Originated Loans and Leases | Other | Special Mention |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and Leases, gross | 20,842 | 9,484
Commercial real estate | Originated Loans and Leases | Other | Substandard |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and Leases, gross | 17,751 | 20,196
Commercial real estate | Originated Loans and Leases | Agriculture |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and Leases, gross | 180,479 | 170,005
Commercial real estate | Originated Loans and Leases | Agriculture | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and Leases, gross | 166,046 | 157,156
Commercial real estate | Originated Loans and Leases | Agriculture | Special Mention |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and Leases, gross | 2,131 | 4,964
Commercial real estate | Originated Loans and Leases | Agriculture | Substandard |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and Leases, gross | 12,302 | 7,885
Commercial real estate | Originated Loans and Leases | Construction |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and Leases, gross | 185,677 | 164,285
Commercial real estate | Originated Loans and Leases | Construction | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and Leases, gross | 185,677 | 164,285
Commercial real estate | Originated Loans and Leases | Construction | Special Mention |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and Leases, gross | 0 | 0
Commercial real estate | Originated Loans and Leases | Construction | Substandard |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and Leases, gross | 0 | 0
Commercial real estate | Total Acquired Loans | Other |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and Leases, gross | 165,183 | 177,484
Commercial real estate | Total Acquired Loans | Other | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and Leases, gross | 162,325 | 174,383
Commercial real estate | Total Acquired Loans | Other | Special Mention |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and Leases, gross | 265 | 452
Commercial real estate | Total Acquired Loans | Other | Substandard |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and Leases, gross | 2,593 | 2,649
Commercial real estate | Total Acquired Loans | Agriculture |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and Leases, gross | 219 | 224
Commercial real estate | Total Acquired Loans | Agriculture | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and Leases, gross | 219 | 224
Commercial real estate | Total Acquired Loans | Agriculture | Special Mention |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and Leases, gross | 0 | 0
Commercial real estate | Total Acquired Loans | Agriculture | Substandard |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and Leases, gross | 0 | 0
Commercial real estate | Total Acquired Loans | Construction |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and Leases, gross | 1,361 | 1,384
Commercial real estate | Total Acquired Loans | Construction | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and Leases, gross | 1,361 | 1,384
Commercial real estate | Total Acquired Loans | Construction | Special Mention |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and Leases, gross | 0 | 0
Commercial real estate | Total Acquired Loans | Construction | Substandard |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans and Leases, gross | $ 0 | $ 0

X
- Definition Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements. + References No definition available. + Details
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